APA (7e ed.) Bronvermelding

Boardman, R. (1979). Over to you: Oral-aural skills for advanced students of English. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Boardman, Roy. Over to You: Oral-aural Skills for Advanced Students of English. Cambridge, England, United Kingdom: Cambridge University Press, 1979.

MLA (9e ed.) Bronvermelding

Boardman, Roy. Over to You: Oral-aural Skills for Advanced Students of English. Cambridge University Press, 1979.